From e9cb0be0edd3b5c6ed8f5137dc72f0b5d12cfeac Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Mon, 28 Jan 2013 16:34:10 +0100
Subject: [PATCH] Fixed broken application installation

Fixes #1114
---
 .../lib/data/package/PackageEditor.class.php    | 13 +++++++++++--
 wcfsetup/install/files/lib/system/WCF.class.php | 17 ++++++++++++++++-
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/wcfsetup/install/files/lib/data/package/PackageEditor.class.php b/wcfsetup/install/files/lib/data/package/PackageEditor.class.php
index 78dc03e1e8..b1e2f09b83 100644
--- a/wcfsetup/install/files/lib/data/package/PackageEditor.class.php
+++ b/wcfsetup/install/files/lib/data/package/PackageEditor.class.php
@@ -1,20 +1,29 @@
 <?php
 namespace wcf\data\package;
 use wcf\data\DatabaseObjectEditor;
+use wcf\data\IEditableCachedObject;
+use wcf\system\cache\CacheHandler;
 
 /**
  * Provides functions to edit packages.
  * 
  * @author	Alexander Ebert
- * @copyright	2001-2012 WoltLab GmbH
+ * @copyright	2001-2013 WoltLab GmbH
  * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @package	com.woltlab.wcf
  * @subpackage	data.package
  * @category	Community Framework
  */
-class PackageEditor extends DatabaseObjectEditor {
+class PackageEditor extends DatabaseObjectEditor implements IEditableCachedObject {
 	/**
 	 * @see	wcf\data\DatabaseObjectDecorator::$baseClass
 	 */
 	protected static $baseClass = 'wcf\data\package\Package';
+	
+	/**
+	 * @see	wcf\data\IEditableCachedObject::resetCache()
+	 */
+	public static function resetCache() {
+		CacheHandler::getInstance()->clear(WCF_DIR.'cache/', 'cache.package.php');
+	}
 }
diff --git a/wcfsetup/install/files/lib/system/WCF.class.php b/wcfsetup/install/files/lib/system/WCF.class.php
index 03bad1d060..8b667e2eee 100644
--- a/wcfsetup/install/files/lib/system/WCF.class.php
+++ b/wcfsetup/install/files/lib/system/WCF.class.php
@@ -2,7 +2,9 @@
 namespace wcf\system;
 use wcf\data\application\Application;
 use wcf\data\option\OptionEditor;
+use wcf\data\package\Package;
 use wcf\data\package\PackageCache;
+use wcf\data\package\PackageEditor;
 use wcf\system\application\ApplicationHandler;
 use wcf\system\cache\CacheHandler;
 use wcf\system\cronjob\CronjobScheduler;
@@ -455,7 +457,20 @@ class WCF {
 	protected function loadApplication(Application $application, $isDependentApplication = false) {
 		$applicationObject = null;
 		$package = PackageCache::getInstance()->getPackage($application->packageID);
-		
+		// package cache might be outdated
+		if ($package === null) {
+			$package = new Package($application->packageID);
+			
+			// package cache is outdated, discard cache
+			if ($package->packageID) {
+				PackageEditor::resetCache();
+			}
+			else {
+				// package id is invalid
+				throw new SystemException("application identified by package id '".$application->packageID."' is unknown");
+			}
+		}
+			
 		$abbreviation = ApplicationHandler::getInstance()->getAbbreviation($application->packageID);
 		$packageDir = FileUtil::getRealPath(WCF_DIR.$package->packageDir);
 		self::$autoloadDirectories[$abbreviation] = $packageDir . 'lib/';
-- 
2.20.1